我的Design Pattern之旅[6]：Adapter Pattern(OO)(4)

ISO C++

/**//*
(C) OOMusou 2007 http://oomusou.cnblogs.com

Filename　　: DP_AdapterPattern_ObjectAdapter_Classic.cpp
Compiler　　: Visual C++ 8.0 / BCB 6.0 / gcc 3.4.2 / ISO C++
Description : Demo how to implement Object Adapter Classic.
Release　　 : 07/15/2007 1.0
*/
#include <iOStream>

using namespace std;

class ITarget {
public:
　virtual void request() const = 0;
};

class Adaptee {
public:
　void specificRequest() const;
};

void Adaptee::specificRequest() const {
　cout << "Hello Adaptee!!" << endl;
}

class Adapter : public ITarget {
public:
　Adapter(Adaptee* adaptee = 0) : _adaptee(adaptee) {}
　virtual void request() const;

protected:
　Adaptee* _adaptee;
};

void Adapter::request() const {
　if (_adaptee)
　　_adaptee->specificRequest();
}

int main() {
　Adapter adapter(&Adaptee());
　adapter.request();
}

C#

/**//*
(C) OOMusou 2007 http://oomusou.cnblogs.com

Filename　　: DP_AdapterPattern_ClassAdapter_Object.cs
Compiler　　: Visual Studio 2005 / C# 2.0
Description : Demo how to implement Class Adapter Object.
Release　　 : 07/15/2007 1.0
*/
using System;

interface ITarget {
　void request();
}

class Adaptee {
　public void specificRequest() {
　　Console.WriteLine("Hello Adaptee!!");
　}
}

class Adapter : ITarget {
　protected Adaptee _adaptee = null;

　public Adapter() {}
　public Adapter(Adaptee adaptee) {
　　_adaptee = adaptee;
　}

　public void request() {
　　 if (_adaptee != null)
　　　_adaptee.specificRequest();
　}
}

class ClIEnt {
　static void Main() {
　　Adapter adapter = new Adapter(new Adaptee());
　　adapter.request();
　}
}